#include <iostream>
#include <unistd.h>
#include <pthread.h>

using namespace std;

void*threadRun(void *args)
{
    while(1)
    {
        cout<<"new thread: "<<getpid()<<endl;
        sleep(1);
    }
    return nullptr;
}

int main()
{
    pthread_t tid;
    pthread_create(&tid,nullptr,threadRun,nullptr);

    while(1)
    {
        cout<<"main thread: "<<getpid()<<endl;
        sleep(1);
    }

    return 0;
}
